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Basic Chemistry — quick quiz

5 real UPSSSC PET questions on Basic Chemistry. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

MEDIUM

In ionic bonding, sodium (Na) loses one electron to form Na+ ion and chlorine (Cl) gains one electron to form Cl- ion. What is the electronic configuration of Na+ ion if sodium atom has electronic configuration 2,8,1?